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Finding the Fourth Proportional to 220,185.82, 330,194.22 and 93,745.90

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Solution

The fourth proportional to 220,185.82, 330,194.22 and 93,745.90 is: 140,582.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,185.82 : 330,194.22 = 93,745.90 : x
  2. Step 2: Convert to fraction form
    220,185.82/330,194.22 = 93,745.90/x
  3. Step 3: Cross multiply
    220,185.82x = 330,194.22 × 93,745.90
  4. Step 4: Simplify right side
    220,185.82x = 30,954,354,328.70
  5. Step 5: Solve for x
    x = 30,954,354,328.70/220,185.82
  6. Step 6: Final answer
    x = 140,582.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.